Isuzu 4LE2 Workshop Manual

6
GENERAL INFORMATION
MAIN DATA AND SPECIFICATIONS
1. MODEL 4LE2
Item
Engine model(s)
4LE2
Type 4-cycle, verlical in-line, water cooled, OHV
Timing drive system Gear drive
No. of cylinders - bore
×
stroke mm 4 – 85
×
92
Displacement L (cid) 2.179 (133)
Compression ratio 18.8 : 1
Type of combustion Direct injection
Overall length
×
width
×
height mm * 691
×
449
×
616
Dry weight kg (lb) * 155 (342)
Fuel injection timing (BTDC) (when at stop) * 14°
Firing order 1 – 3 – 4 – 2
Fuel Highspeed diesel fuel (SAE No.2)
Idling speed min
-1
* 850
Compression pressure MPa(kg/cm
2
/psi) 3 (31/440) or more/250 min
-1
Valve clearance (cold)
Intake 0.4 (0.0157)
mm (in)
Exhaust 0.4 (0.0157)
Intake valve
Open (BTDC) 15°
Valve
Close (ABDC) 29°
operating
Exhaust valve
Open (BBDC) 40°
timing
Close (ATDC) 16°
Injection pump Bosch type
Governor Mechanical type
Nozzle Multi-hole type
Injection pressure MPa(kg/cm
2
/psi) * 17.7 (180/2560)
Oil pump Trochoid type
Oil filter Cartridge type
Lubricant capacity: In total L (qts) * About 8.7 (9.2)
Generator output (V – A) * 12 – 35
Starter output (V – KW) * 12 – 2.0
(Note) These specifications may be subject to change without notice.
Figures in the column with an asterisk (*) are different for each machine. Refer to the specifica-
tions provided by machine manufacturers.

Isuzu 4LE2 Specifications

General

Engine Model	4LE2
Fuel System	Direct Injection
Fuel Type	Diesel
Engine Type	4-cylinder, 4-cycle, water-cooled diesel
Aspiration	Naturally aspirated